Objective: The paper attempts to promote the optimization of medical insurance business process and improve the efficiency of medical insurance management by realizing the integration of administration and finance. Methods: This paper analyzes the reasons for the separation of administration and finance in medical insurance, and discusses the implementation path of the integration of administration and finance. Conclusion: The establishment of China's healthcare security management system and national healthcare security information platform provides favorable conditions for the integration of medical insurance administration and finance. Suggestions: The medical insurance departments should give full play to the advantages of the management system, strengthen the construction of business regularization and standardization, and promote the integration of medical insurance management administration and finance on the basis of optimizing the internal management organization, improving the basic management system, and standardizing the medical insurance management behavior. Also, they should standardize the basic management business of medical insurance in batches, accelerate the improvement of the basic management system, promote the construction of medical insurance informatization in stages, and gradually realize the integration of administration and finance.